Home / 90,362.28-124,704.94-50,075.20

Finding the Fourth Proportional to 90,362.28, 124,704.94 and 50,075.20

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Solution

The fourth proportional to 90,362.28, 124,704.94 and 50,075.20 is: 69,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,362.28 : 124,704.94 = 50,075.20 : x
  2. Step 2: Convert to fraction form
    90,362.28/124,704.94 = 50,075.20/x
  3. Step 3: Cross multiply
    90,362.28x = 124,704.94 × 50,075.20
  4. Step 4: Simplify right side
    90,362.28x = 6,244,624,811.49
  5. Step 5: Solve for x
    x = 6,244,624,811.49/90,362.28
  6. Step 6: Final answer
    x = 69,106.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.